| 爆炸处理时裂纹动态扩展行为的研究 |
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| 引用本文： | 高桦,孙琦清,郑哲敏.爆炸处理时裂纹动态扩展行为的研究[J].力学学报,1988(6). |
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| 作者姓名： | 高桦 孙琦清 郑哲敏 |
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| 作者单位： | 上海工程技术大学材料系
(高桦)，中国科学院力学研究所
(孙琦清)，中国科学院力学研究所(郑哲敏) |
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| 摘 要： | 本文研究爆炸处理时裂纹在应力波作用下的动态扩展行为,分别讨论了入射波、反射波和应力波持续时间的作用,并根据线弹性断裂力学复合型准则和动态断裂准则对裂纹的扩展进行了分析,作者建议用吸能块的办法控制爆炸处理时裂纹的扩展,并作了实验验证。
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| 关 键 词： | 动态断裂 应力波 爆炸处理 |
DYNAMIC CRACK GROWTH BEHAVIOUR DURING EXPLOSIVE TREATMENT |
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| Gao Hua.DYNAMIC CRACK GROWTH BEHAVIOUR DURING EXPLOSIVE TREATMENT[J].chinese journal of theoretical and applied mechanics,1988(6). |
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| Authors: | Gao Hua |
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| Abstract: | On the basis of mixed mode fracture as well as dynamic fracture mechanics crack growth behaviour caused by stress wave during explosive treatment has been studied experimentally and theoretically. The effects of incident wave, reflected wave and stress. wave duration on crack growth behaviour were discussed. Further more a method for restricting crack growth by using an energy absorber was tested and recommended. |
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| Keywords: | dynamic crack growth stress wave explosive treatment |
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